摘要：
有根树的表达 题目：Rooted Trees Aizu - ALDS1_7_A A graph G = (V, E) is a data structure where V is a finite set of vertices and E is a binary relation on V rep 阅读全文
摘要：
搜索的应用-计算最优解 题目： You are given nn packages of wiwi kg from a belt conveyor in order (i=0,1,...n−1i=0,1,...n−1). You should load all packages onto kk tr 阅读全文